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Elements in Group 18

 
4.3  Elements in Group 18
 
This image shows a diagram of elements in Group 18 of the periodic table. The elements are arranged in a flower-like pattern with a central circle labeled ‘ELEMENTS IN GROUP 18.’ The petals around the central circle are labeled with the names and symbols of the elements: Radon (Rn), Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), and Xenon (Xe). The background is white, and the diagram has a clean, simple design. The logo ‘Pandai’ is at the bottom right corner.
 
Elements in Group 18
  • Also known as inert gases or noble gases.
  • Can be found at the far-right column of the Periodic Table.

This image shows a simplified periodic table of elements. The table is highlighted in light blue, and only the noble gases are filled in. These noble gases, located in the far-right column, include Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn), and Oganesson (Og). The rest of the table is empty with outlined boxes.
 
Physical Properties
  • Insoluble in water.
  • Does not conduct electricity.
  • Does not conduct heat.
  • The boiling and melting point is increasing down the group.
  • The van der Waals forces are increasing when the size of the atoms increases.
 
Chemical Properties
  • Does not react with other elements.
  • Exists as a monatomic (single atom). 
  • Inert gases are non-reactive because the valence shell is full.
  • For example, helium has a stable duplet electron arrangement, because the number of valence electrons is two.
  • The other elements in Group 18 have a stable octet electron arrangement because the number of valence electrons is eight.
  • Noble gas did not accept or donate electrons as it is already stable.
 
Uses of Group 18 Elements
Element Uses
Helium
  • Used to fill weather balloons
  • Used in the oxygen tanks of divers
Neon
  • Used in advertising board lights
Argon
  • • Used to fill in electric bulbs
  • Used to provide an inert atmosphere for welding in high temperature
Krypton
  • Used in flashlight of cameras
  • Used in lasers for eye retina treatment
Xenon
  • Used in lighthouse lamps
  • Used for anesthesia
Radon
  • Used to treat cancer
 

 

 

 

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.

Elements in Group 18

 
4.3  Elements in Group 18
 
This image shows a diagram of elements in Group 18 of the periodic table. The elements are arranged in a flower-like pattern with a central circle labeled ‘ELEMENTS IN GROUP 18.’ The petals around the central circle are labeled with the names and symbols of the elements: Radon (Rn), Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), and Xenon (Xe). The background is white, and the diagram has a clean, simple design. The logo ‘Pandai’ is at the bottom right corner.
 
Elements in Group 18
  • Also known as inert gases or noble gases.
  • Can be found at the far-right column of the Periodic Table.

This image shows a simplified periodic table of elements. The table is highlighted in light blue, and only the noble gases are filled in. These noble gases, located in the far-right column, include Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn), and Oganesson (Og). The rest of the table is empty with outlined boxes.
 
Physical Properties
  • Insoluble in water.
  • Does not conduct electricity.
  • Does not conduct heat.
  • The boiling and melting point is increasing down the group.
  • The van der Waals forces are increasing when the size of the atoms increases.
 
Chemical Properties
  • Does not react with other elements.
  • Exists as a monatomic (single atom). 
  • Inert gases are non-reactive because the valence shell is full.
  • For example, helium has a stable duplet electron arrangement, because the number of valence electrons is two.
  • The other elements in Group 18 have a stable octet electron arrangement because the number of valence electrons is eight.
  • Noble gas did not accept or donate electrons as it is already stable.
 
Uses of Group 18 Elements
Element Uses
Helium
  • Used to fill weather balloons
  • Used in the oxygen tanks of divers
Neon
  • Used in advertising board lights
Argon
  • • Used to fill in electric bulbs
  • Used to provide an inert atmosphere for welding in high temperature
Krypton
  • Used in flashlight of cameras
  • Used in lasers for eye retina treatment
Xenon
  • Used in lighthouse lamps
  • Used for anesthesia
Radon
  • Used to treat cancer
 

 

 

 

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.
Chapter : Periodic Table of Elements
Topic : Describing the uses of elements of Group 18 in daily life
Form 4 Chemistry
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